This study examined the extent to which cycling helmet paddings made of thermoplastic polyurethane (TPU) material mitigated impact accelerations in a cycling helmet to reduce the likelihood of concussions. The results of this study indicate that the TPU paddings mitigate peak linear acceleration between 8.37% and 25.48%, and reduce the risk of head injury, as measured by the Gadd Severity Index (GSI) scores, ranging 20.97% to 27.62% across helmet impact locations. This information becomes useful for researchers, cyclist and helmet designers because it provides an avenue to improve cycling helmet capabilities in minimizing the risk of traumatic brain injuries due to a head impact.
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